| Values for Old Faithful Area | 2014-04-09 |
|---|---|
| Astronomical Twilight Begin | 05:05 |
| Nautical Twilight Begin | 05:43 |
| Civil Twilight Begin | 06:19 |
| Sunrise | 06:49 |
| Sunset | 20:00 |
| Civil Twilight End | 20:30 |
| Nautical Twilight End | 21:06 |
| Astronomical Twilight End | 21:44 |
| Moon Illumination | 67.53% |